Consul vs Eureka: What are the differences?
Consul: A tool for service discovery, monitoring and configuration. Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable; Eureka: AWS Service registry for resilient mid-tier load balancing and failover. Eureka is a REST (Representational State Transfer) based service that is primarily used in the AWS cloud for locating services for the purpose of load balancing and failover of middle-tier servers.
Consul and Eureka can be categorized as "Open Source Service Discovery" tools.
"Great service discovery infrastructure" is the primary reason why developers consider Consul over the competitors, whereas "Easy setup and integration with spring-cloud " was stated as the key factor in picking Eureka.
Consul and Eureka are both open source tools. It seems that Consul with 16.2K GitHub stars and 2.82K forks on GitHub has more adoption than Eureka with 7.88K GitHub stars and 2.16K GitHub forks.
Slack, SendGrid, and Oscar Health are some of the popular companies that use Consul, whereas Eureka is used by Notify-e, Swingvy, and LabNetwork. Consul has a broader approval, being mentioned in 131 company stacks & 52 developers stacks; compared to Eureka, which is listed in 7 company stacks and 14 developer stacks.
Breaking a monolith into microservices and handling the scaling and health of new services as they come only. This should ideally help to reduce the overhead needed to get a service online. We have all of this being handled by custom URLs and health checks being done at the expense of infrastructure setup time and maintenance (VM sprawl). Initially, I am looking at Consul for the TLS proxy and security options as well as the KV store which may prove useful in cross datacenter environments.
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